﻿/*   
    Copyright (C) 2009 Galaktika Corporation ZAO

    This file is a part of Galaktika.BusinessMonitor
 
    Galaktika.BusinessMonitor is a free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
      
    You should have received a copy of the GNU General Public License
    along with Galaktika.BusinessMonitor.  If not, see <http://www.gnu.org/licenses/>.
  
    If GPL v.3 is not suitable for your products or company,
    Galaktika Corp provides Galaktika.BusinessMonitor under a flexible commercial license
    designed to meet your specific usage and distribution requirements.
    If you have already obtained a commercial license from Galaktika Corp,
    you can use this file under those license terms.
*/

using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Web;

using Galaktika.BI.Silverlight.Services;
using Galaktika.BI.Silverlight.ClientApp.Web.Runtime.DataAccess;

namespace Galaktika.BI.Silverlight.ClientApp.Web.Commands
{
    public class GetActualityDateCommand : ServerCommand
    {
        public GetActualityDateCommand(InvokeSchema schema)
            : base(schema.CommandId)
        {
            this.ConnectionString = schema[KnownInvokeArgs.ConnectionString];
            this.SessionId = schema[KnownInvokeArgs.SessionId];
            this.CubeName = schema[KnownInvokeArgs.CubeName];

            if (string.IsNullOrEmpty(this.ConnectionString))
            {
                throw new ArgumentNullException(KnownInvokeArgs.ConnectionString);
            }
            if (string.IsNullOrEmpty(this.CubeName))
            {
                throw new ArgumentNullException(KnownInvokeArgs.CubeName);
            }
        }

        public string ConnectionString { get; private set; }
        public string SessionId { get; private set; }
        public string CubeName { get; private set; }

        public override InvokeResultSchema Invoke()
        {
            var res = new InvokeResultSchema();

            var conn = AdomdConnectionPool.GetConnection(this.ConnectionString, this.SessionId);

            var cubeDef = conn.Cubes[this.CubeName];
            if (cubeDef == null)
            {
                throw new CubeNotFoundException(this.ConnectionString, this.CubeName);
            }
            res.Content = cubeDef.LastProcessed.ToString(CultureInfo.InvariantCulture);
            res.ContentType = KnownContentTypes.String;

            return res;
        }
    }
}
